Paul M. D'Amico

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Bloomington, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Microphone with channel selector and push-to-talk button interlock
- Patent number 4,147,904
- Issue date Apr 3, 1979
- Telex Communications, Inc.
- Michael P. Carpenter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE